You can send Partiful invitations to up to 1,000 phone contacts or past guests directly through Partiful. Specifically, you are allowed up to 500 email invites and 500 SMS invites, for a total of 1000 invites. However, there is no limit to how many people can RSVP or attend your event. The event link can be shared with as many people as you want.
Note - cohost invitations count as part of the invitation limit.